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MAX509BCPP Equivalent & Substitute Parts
Part Overview
The MAX509BCPP is an 8-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring four independent voltage output channels. This component features SPI data interface, external reference capability, and buffered voltage outputs with ±5V analog and 5V digital supply operation.
The MAX509BCPP is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for legacy systems and new designs requiring compatible functionality.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Number of Bits | 8 |
| Number of D/A Converters | 4 |
| Output Type | Voltage - Buffered |
| Data Interface | SPI |
| Reference Type | External |
| Voltage - Supply, Analog | ±5V |
| Voltage - Supply, Digital | 5V |
| Settling Time | 6µs (Typ) |
| INL/DNL (LSB) | ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | 0°C ~ 70°C |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
Substitute Part Grouping Explanation
Substitution of the MAX509BCPP is determined by strict equivalence across the following critical parameters:
- Resolution and Channel Count: 8-bit resolution with 4 independent D/A converters
- Output Configuration: Buffered voltage output with external reference input
- Interface Protocol: SPI digital data interface
- Supply Voltage Requirements: ±5V analog supply and 5V digital supply
- Performance Specifications: 6µs typical settling time, ±1 LSB maximum INL/DNL
- Converter Architecture: R-2R resistor ladder topology
- Package Compatibility: 20-DIP through-hole package (0.300", 7.62mm pitch)
- Temperature Range: 0°C to 70°C operating specification
The MAX509BCPP+ meets all these criteria and is therefore classified as a direct substitute.
Parameter Comparison
| Parameter | MAX509BCPP | MAX509BCPP+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Number of Bits | 8 | 8 |
| Number of D/A Converters | 4 | 4 |
| Output Type | Voltage - Buffered | Voltage - Buffered |
| Data Interface | SPI | SPI |
| Reference Type | External | External |
| Voltage - Supply, Analog | ±5V | ±5V |
| Voltage - Supply, Digital | 5V | 5V |
| Settling Time | 6µs (Typ) | 6µs (Typ) |
| INL/DNL (LSB) | ±1 (Max) | ±1 (Max) |
| Architecture | R-2R | R-2R |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole | Through Hole |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX509BCPP+ is the direct substitute for the MAX509BCPP. Both components share identical electrical specifications, pin configuration, and functional performance characteristics across all critical parameters.
The primary distinction between these parts is product lifecycle status and regulatory compliance. The MAX509BCPP is classified as obsolete, while the MAX509BCPP+ maintains active production status. Additionally, the MAX509BCPP+ achieves ROHS3 compliance, whereas the original MAX509BCPP is RoHS non-compliant.
For new designs and legacy system maintenance requiring 8-bit, 4-channel DAC functionality with SPI interface and ±5V/5V dual supply operation in 20-DIP through-hole packaging, the MAX509BCPP+ is the appropriate selection. The active product status and enhanced regulatory compliance of the MAX509BCPP+ ensure long-term availability and support for both current and future applications.
Frequently Asked Questions (FAQ)
Q: Can the MAX509BCPP+ be used as a direct replacement for the MAX509BCPP in existing designs?
A: Yes. The MAX509BCPP+ is electrically and mechanically identical to the MAX509BCPP. All electrical specifications, pin assignments, package dimensions, and functional performance parameters are equivalent. No circuit modifications or design changes are required for substitution.
Q: What is the significance of the RoHS compliance difference between these parts?
A: The MAX509BCPP+ is ROHS3 compliant, meeting current environmental and hazardous substance restrictions. The original MAX509BCPP is RoHS non-compliant. For applications subject to RoHS regulations or requiring compliance documentation, the MAX509BCPP+ is the appropriate selection.
Q: Are there any differences in supply voltage requirements between the MAX509BCPP and MAX509BCPP+?
A: No. Both parts require identical supply voltages: ±5V for analog supply and 5V for digital supply. Power supply design and decoupling requirements remain unchanged when substituting between these components.
Q: Does the 20-DIP through-hole package remain the same for both parts?
A: Yes. Both the MAX509BCPP and MAX509BCPP+ use the same 20-DIP package with 0.300" (7.62mm) pitch. PCB footprints, mounting procedures, and mechanical clearances are identical.
Q: Why is the MAX509BCPP classified as obsolete?
A: The MAX509BCPP has reached end-of-life status in the manufacturer's product portfolio. The MAX509BCPP+ represents the current active production variant with equivalent functionality and enhanced compliance characteristics.
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